Oil-burner.



J. C. HINZ.

OIL BURNER.

APPLICATION FILED JUNE 21, 1912.

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OIL-BURNER.

Specication of Letters Patent. -.Application filed J une ai,I 1912. Serial No. 704,959.

ratentednay'ao, 1913.

the furnace that the fuel useddoes not cake or carbonize within the burner`andthereby choke the latter and at the same time that the 4parts are cool, enough for an operator to .adjust them while in use without per- 7 sonal discomfort.

This invention relates to a liquid burner for mulie furnaces andthe like wherein the lparts are so protected from the heat of the furnace that the fuel does not become carbonized to clog the burner, means also being provided for regulating the blast and fuel 'supply while the; burner isin opera; ticn without danger of 'injury to the user..V

The invention consists in the matters hereinafter set forth and more particularly pointe-d out in the appended claims. In the drawings, Figure 1 is a view in longitudinal section through a burner that embodies features of the invention; Fig. k2 is a view in longitudinal section, partially broken away, taken at right angles to the plane of view of Fig. 1 Fig. 3 is aview in section taken on or about line- III--III of Fig. 1; Fig. 4 is a view in transverse sec'- tion taken on or about line IV-IV of Fig. 1; and-Fig. 5 is a' view'in section taken on or about line V--V of Fig. 1.

Referring to the drawings, a substantially cylindrical casing 1 has4 a lateral air inlet nipple 2 fitted for connection with a suitable supply pipe." A cap 3 is' screwthreaded on to the rear or `outer end of the casing in such manner las to forma -close jjointtherewit i.

li the counterbored recess. `of the cap lwith i outer contracted end portion 5, that is supplied with jet orificesI 6, concentric with the inner end portion ofthe casing. An inner sleeve f7 of less diameter thanjthe'barrel 554 and with similarly tapered andl apertured end'v 8, is secured concentrically 'within the orfnoz-` zles for muiiie furnaces and the like it is y An outer barrel 4 of less diameter than the casing is. secured at its innerend barrel; with: as' imer end extending into an inner counterbore of the cap 3. An vair duct 9 from the barrel of'- the casing leads to a radial inlet 10 opening into the inner end of the sleeve 7 Access to the passage 1() may be had byremoval of a screw 'plug 11, the aperture in which they latter is screwthreaded-A aHording means for connection with a steam pipe if` it is desired to introduce steam to` the sleeve?.

A stem 12 is rotatably and non-'reciprocally vsecured concentrically in thecasing,

barrel and sleeve, as by means of a. thrust ycollar 13 bearing against a shoulder or flange 14 of the cap 3, a suitable packingv4 gland 15 insuring a tight joint. The inner end.' portion. df the stem whichextends Well beyond the ends 5 `and 8 iof the barrel and sleeve,"is secured to a jet nozzle whose' body 16" is'rotatable on the lbarrel 4 andV whose outer tapered or conical end 18 has a central jet aperture 19. Parallel flanges or slides 20 extending longitudinally of the body 16 yemggagre corresponding ribs 21 on the interior surface of an outer head 22 whose body is screwthreaded on to the casing 1 vand whose outer contracted end 23 has a central vropening 24 substantially in axialjalinement with the opening 19.- The cap 3 has` aboss ornipple 2 5v which is apertured and fitted to form connection with 'a' fuel supply, pipe. A duct 26 connects the bore lof this nip-` `ple or boss with anl annular chamber between the barrel 4 and sleeve 7 through-an annular valve seat` 27. which `co-acts with a needle closure 28 to control passage of Huid therethrough. A .packinggland' or stuifing box 29 affords tight jointfor the stem 28. Appropriate hand wheels 30 and 31 afford means 'for manually`- operating both stems.

In operation manipulation of thel vmain air cooled between the jet and the operators hand. 4As the main fuel passage is annular and `is jacketed both interOrlv-andeX'tel riorly with inrushing air there is little chance for the fuel to become heated ,and carbonized and clog the burner before it reaches the jet. Steam maybe introduced in place of the inner air current if desired by closing the passage 9 and making the proper connection in place of the plug 11. As the parts` are allhoused they do-not become adected by heat or injured by the dust and dirt common in the operation 4of furnaces. t

Obviously, changes inthedetails of con-1 struction may be made without depart-ing 10 from the spirit of the invention and I do not care to limit myself -to' any particular form or arrangement of parts.

I claim 1. An oil burner comprising a casing havin an air and a fuel inlet, a jet nozzle rotata le in the casing in communication with the fuel` inlet, a head in sorewthreaded engagement with the casing and in non-rotatable, sliding engagement with thefnozzle,

v having adischarge jet opening in communicatlon with the air inlet and with the jet' nozzle opening, means controlling communication between the fuel inlet and nozzle, and means extendin into the casing for turning the nozzle to shift the head.

2. An oil burner comprising `a casing having an air and a fuel inlet, a jet nozzle rota table in the casing in`communication with the fuel inlet, a head in screwthreaded engagement with the casing and in non-rotatable, sliding having a discharge jet openin in communication with the air inlet an with the; jet l nozzle opening, a sleeve havingt a lateral lnlet in communication with an air uct 4from the casinginterior and having an apertured end within the-'jet nozzle, means controlling communication between the fuel inlet and nozzle, and means lextending into tlhe dcasing for turning the nozzle to shftthe ea 3. An oil burner comprising a casing having an air and a fuel inlet, a jet nozzle rotatable in the casing in communication with the fuel inlet, a head inhscrewthreaded engagementwith the casing and in non-rotatable, .sliding engagement with the nozzle, having a discharge jet openin in communication with the air inlet an with the jet 50l nozzle opening, means controlling communication between the fuel inlet and nozzle, and means rotatable within the sleeve secured tio t(l11e nozzle toturn the latter and shift the ea 4. An oil burner comprising an air and a fuel inlet, a valve controlling the fuel inlet, a barrel in the casin 1n communication withthe fuel in et; a jet nozzle rotatable on the'barrel; a head in screwthreaded engagement with the casing and in non-rotatable, lon tudinally reciprocable engagement wit the nozzle, provided with a. discharge jet opening in alinement substantially with the nozzle discharge, a sleeve-within the barrel having a engagement with the nozzle,`

apertured discharge end, a jet nozzle rotai in the casintg provided with anl-apertured discharge end discharge opening adjacent thenozzle discharge and in communication with the air inlet of the casing, and vmeans rotatable through the casing and sleeve secured to the nozzle to turn the latter. j

5. An oil burner comprising an air and a fuel inlet, a valve controlllng. the fuel inlet, a barrel in the casing in communication with the fuel inlet, a jet nozzle rotatable on the barrel, a head in screw-threaded engagement with the casing and in non-rotatable, longitudinall reciprocable engagement with the nozz e, provided with a `discharge jet opening in alinement substantially with the nozzle discharge, a sleeve within the barrel having a discharge opening adjacent the nozzle discharge and in communication with the air inlet of the casing, and a stem rotatable through the casing and a sleeve secured'to the nozzle to turn the latter.

6. An oil burner comprising an air and a fuel inlet, a head in rotatable screwthreaded engagement with one end of the casing provided with adischarge jet opening, a cap detachably secured to the other end of the casing,l a barrel secured to the cap within the casing and provided with an apertured end wit-hin the head, a jet nozzle rotatable on the barrel in non-rotatable, 'sliding en- 95 gagement with the head, -a fuel valve controlling passage from the fuel inlet into the barrel, a sleeve within the barrel secured to the cap and provided with an air inlet in communication with the interior of the casing and an air outlet adjacent the apertured end of the barrel and a stern journaled in the cap and secured to the nozzle, the cap and attached parts being bodily withdrawable from the casing.

7. `An oil burner comprising a casing having an air inlet, an apertured head in screwthreaded engagement with one end of the casing, a barrel in the casing having an table on the barrel in sliding non-rotatable engagement with the head, a sleeve secured concentrically within the barrel means or admitting fuel to the sleeve and means for rotating the nozzle.

8. An yoil burner com rising a casing having an air inlet, a head 1n screwthreaded engagement with the casing, a ertured to form a discharge jet, a barrel in t e casing having an apertured fuel discharge end, a nozzle 120 rotatable on the barrel in non-rotatable, longitudinally reciprocable engagement with the head, with a jet openingalined with the aperture of the head, a sleeve secured inthe casing c oncentrically within the barrel and adjacent 'the discharge end of thefbarrel and with a lateral inlet that communicates;with an air duct. from the interior of thefsing a stem rotatable in the casing within the 13o sleeve and barrel, secured to the nozzle to rotate the latter, and a fuel valve adapted to control the admission of fuel to the barrel.

9. An oil burner lcomprising a casing having an air and a fuel inlet, a jet nozzle Within the casing in communication with the fuel inlet, a head adjustable on the lcasing relatively to the nozzle provided With a discharge'jet opening for the casing, means for 10 operating the head through the casing and nozzle to shift the head to and from the latter, and means for controlling the fuel Supplyi In testimony whereof I affix my signature in .presence of two Witnesses.

JULIUS Witnesses:

OTTO F. BARTHEL, ANNA-M. SHANNON.

o. HINz. 

